Download iOS 17.5.1 (21F90) for iPhone 14 Pro Max

You will have to note that you can only restore signed IPSW firmware files using iTunes or 3utools.

✅ This IPSW firmware is Signed

Firmware Identifier iPhone15,3
iOS Version 17.5.1
Release Date 2024-05-20
Update Date 2024-05-17
Sha1sum
3dcbd2d000ac9f272634bb0b427e7533eebd4aba
Sha256sum
b7478f37a42f10d34f4a6c8318ec4f182db4dc6406aa4e04121aa7260464eb56
md5sum
b72f07fb1f190a4538495c9e62390734
Size 7.53 GB
FileName
iPhone15,3_17.5.1_21F90_Restore.ipsw
Status

Download IPSW (7.53GB) Check device info
Release Notes

It should be noted that these are the official release notes for the from Apple

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Apple Podcasts

This update includes the following enhancements and bug fixes:

Some features may not be available for all regions or on all Apple devices. For information on the security content of Apple software updates, please visit this website:

https://support.apple.com/kb/HT201222